Chapter 4 in English
Chapter 4 in Spanish
Under Construction
4-1 Adding and Subtracting Fractions with Like Denominators
4-2 Adding and Subtracting Fractions with Unlike Denominators
4-3 Problem Solving Strategy: Look for a Pattern
4-4 Estimating Sums and Differences of Fractions and Mixed Numbers
4-5 Adding Mixed Numbers
4-6 Subtracting Mixed Numbers
4-7 Choose a Computation Method
4-8 Problem Solving Skill: Exact Answer or Estimate
